package day1118;

import java.util.Scanner;

public class Demo6 {
    public static void main(String[] args) {
        //2.创建一个输入工具对象。
        Scanner s=new Scanner(System.in);

        System.out.println("请输入年份：");
        int year=s.nextInt();//3.输入一个int数值存入变量year

        System.out.println("请输入月份：");
        int month=s.nextInt();
        switch (month){
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:System.out.println("31天");break;
            case 4:
            case 6:
            case 9:
            case 11:System.out.println("30天");break;
            case 2:
                System.out.println( (year%400==0)||(year%4==0&& year%100  != 0)?  "" : "");
                break;
            default:System.out.println("您输入的月份不合法");
        }
    }
}
